Conversion between forms: Multilevel logic

• Example:

\D

\D

A

A

A

A

X

X

\X

X

B

B

B

B

C

C

C

C

D

D

F

F

F

F

\X

(a)

(c)

(b)

(d)

original circuit

add double bubbles at inputs

distribute bubbles

some mismatches

insert inverters to fix mismatches

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